Septquadseptium (Sqs)
Septquadseptium is the systematic name of the theoretical 747a element in the periodic table with a symbol of Sqs and atomic number of 747. Septquadseptium, also known as element 747, has şapte sute patruzeci şi şapte protons in its nucleus, and şapte sute patruzeci şi şapte electrons in its shells.